/Engine/Source/Runtime/Engine/Public/PrimitiveSceneProxy.h
virtual void GetHeightfieldRepresentation ( [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) *& OutHeightmapTexture, [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) *& OutVisibilityTexture, [FHeightfieldComponentDescription](API\Runtime\Engine\FHeightfieldComponentDescription) & OutDescription ) const